* {
    box-sizing: border-box;
}

html, body {
    overflow: hidden;
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--c-text-primary);
    background-color: var(--c-bg);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    margin: 0;
    font-weight: 600;
    color: var(--c-text-primary);
}

a {
    color: var(--c-accent);
}

.text-muted {
    color: var(--c-text-muted);
}

/* --- Formulários --- */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-group label {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--c-text-secondary);
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
    padding: 8px 10px;
    border: 1px solid var(--c-border-strong);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: inherit;
    background-color: var(--c-surface);
    color: var(--c-text-primary);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: 0;
    border-color: var(--c-accent);
    box-shadow: 0 0 0 0.2rem var(--c-accent-light);
}

.error-message {
    color: var(--c-danger);
    font-size: 0.8rem;
}

/* --- Helpers --- */
.hidden { display: none !important; }
.flex { display: flex; }
.flex-1 { flex: 1; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }